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TIL you should never defragment a solid-state drive (SSD)

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Xe7D TIL a single blood donor in Australia is credited with saving more than 2 million lives.
w0jo TIL Nobody was burned at the stake during the Salem Witch Trials. Most people convicted of witchcraft were hanged and one man was crushed with stones.
epO75 TIL that Charles Darwin conducted excavations at Stonehenge in 1877 to test his hypothesis that earthworm bioturbation is largely responsible for the continual sinking and burial of surface objects across the world.
wPg1 TIL 35% of polled American workers said they would be willing to forego a significant pay raise in exchange for having their boss fired.
7bkp TIL that 3 years after illegally joining the Marines at the age of 14, Jacklyn Lucas snuck onto a ship bound for Iwo Jima, stormed the beach without a rifle, and threw himself on top of two grenades to protect his team. He survived, and earned the Medal of Honor at the age of 17.